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ECAT Mathematics Chapter 15 Inverse Trigonometric Functions Online Test MCQs With Answers
Question # 1
The value of sin [ arc cos (-1/2)] is
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Question # 2
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π
π / 2
π / 3
π / 4
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Question # 3
The range of the principle cos function is
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Question # 4
In the interval 0≤ x ≤ π, the sine is
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Not a function
Not defined
Infinity
Not one-to-one function
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Question # 5
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Question # 6
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Question # 7
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Question # 8
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1/3
1
3
None of these
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Question # 9
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Question # 10
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π / 3
π / 4
π / 2
π
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Question # 11
Sin
-1
(-x)=
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Cos
-1
1/x
- Sin
-1
X
Cot
-1
X
None of these
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Question # 12
What is the value of cos (cos-1 2) ?
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√2
1/2
undefine
0
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Question # 13
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Question # 14
cos
-1
(cos x) =
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x
cos x
x = 1/x
cos
-2
x
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Question # 15
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Question # 16
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Question # 17
x = sin
-1
3, then the value of sin x is
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√(3/2)
3
Not possible
-1
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Question # 18
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1
0
3
-3
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Question # 19
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16 / 7
6 / 17
7 / 16
None of these
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Question # 20
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Question # 21
sin -1(sin2π/3) =
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π/2
2π/3
-3π/2
π/3
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Question # 22
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π / 3
π / 4
π / 6
0
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Question # 23
tan
-1
x > cot
-1
x holds for
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x > 1
x < 1
x = 1
All values of x
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Question # 24
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1
7
4
None of these
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Question # 25
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Question # 26
The number of triplets (x, y, z) satisfying sin
-1
x +cos
-1
y + sin
-1
z = 2
π
is
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0
2
1
Infinite
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Question # 27
The range of the principal sine function is
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Question # 28
The domain of the principle cos function is
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Question # 29
Sin-1(-x)=
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x
-x
-sin-1 x
cos-1 x
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Question # 30
The Principal value of sin-1 (-1/1/2)
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π/2
-π/2
π
-π
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Question # 31
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